#tag_and_time1{
   padding:20px 0;
}
hr {
    height: 1px;
    border: none;
    border-top: 1px solid #EAEAEA;
}
.introduction{
    letter-spacing:3px;
    color:#999696;
    line-height:20px;
      /*font-family:"Microsoft YaHei",微软雅黑,"MicrosoftJhengHei",华文细黑,STHeiti,MingLiu;*/
}

.demon_picture{
    width:500px;
}

.myremind{
   margin-top:40px;
}

#myvideo{

    width:100%;
    height:400px;
    poster:;
    data-setup:{};
}

.mytitle{
     font-family:"Microsoft YaHei",微软雅黑,"MicrosoftJhengHei",华文细黑,STHeiti,MingLiu;
}